Harmony climate

Harmony Weather in May

NOAA 1991-2020 normals for Greencastle 1 W, 23 km from Harmony

Average highs run from 68°F on May 1 to 76°F on May 31, and lows from 44°F to 54°F. Normal precipitation for the month is 4.91 in over about 13 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Harmony, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
72°F
Average low
49°F
Precipitation
4.91 in
Record high
96°FMay 27, 2012
Record low
29°FMay 4, 2005
Chance of a freeze
38%
Daylight
13 h 53 min to 14 h 46 min
Cloud cover
65%
Humidity
79%
Dew point
56°F
Wind
8.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 168°F44°F83°F 200132°F 200541%0%
May 268°F44°F88°F 201234°F 200541%0%
May 368°F45°F88°F 201230°F 200541%0%
May 469°F45°F86°F 200129°F 200541%0%
May 569°F46°F88°F 201233°F 201141%0%
May 669°F46°F89°F 201237°F 200541%0%
May 770°F46°F85°F 201535°F 202141%0%
May 870°F47°F87°F 200431°F 202141%0%
May 970°F47°F86°F 200430°F 202041%0%
May 1070°F47°F88°F 202234°F 202141%0%
May 1171°F48°F90°F 202236°F 202041%0%
May 1271°F48°F88°F 202234°F 202041%0%
May 1371°F48°F90°F 201832°F 200141%0%
May 1471°F49°F90°F 199839°F 201941%0%
May 1572°F49°F91°F 200139°F 201641%0%
May 1672°F49°F94°F 200139°F 201641%0%
May 1772°F50°F92°F 196239°F 201441%0%
May 1873°F50°F91°F 196237°F 200241%0%
May 1973°F50°F91°F 199833°F 200241%0%
May 2073°F50°F92°F 201238°F 200241%0%
May 2173°F51°F90°F 196234°F 200241%0%
May 2274°F51°F90°F 196237°F 200240%0%
May 2374°F51°F88°F 200741°F 200640%0%
May 2474°F52°F89°F 201039°F 201340%0%
May 2575°F52°F91°F 201243°F 201340%0%
May 2675°F52°F94°F 201244°F 200240%0%
May 2775°F53°F96°F 201244°F 199940%0%
May 2875°F53°F96°F 201245°F 200140%0%
May 2976°F53°F90°F 200643°F 200540%0%
May 3076°F54°F90°F 201141°F 202140%0%
May 3176°F54°F90°F 201147°F 200340%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Harmony, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:49 AM, sunset 8:42 PM
May 31
sunrise 6:23 AM, sunset 9:09 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00123513 (Greencastle 1 W), public domain. Records: NOAA GHCN-Daily, station USW00003868, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.